Why i am I getting "Connection refused ":connect error ?

[phpuser123]

I just tried to create a small socket application with reference to tutorials on the web..
Hers's the script for the socket application

package sockets_1;
import java.net.*;
import java.io.*;

public class socket_class {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		//test_url();
		test_socket();
	}
	
	
	
	public static void test_socket(){
		String host="localhost";
	
	for (int i=130;i<150;i++){
		try{
			Socket sck=new Socket(host,i);
			System.out.println("Server at "+i+" port");
		}
		catch(IOException e){
			System.err.print(e.getMessage());e.printStackTrace();
		}
		
		}
}
}

When I am running this program,I am getting an error "Connection refused:connect " error for all the port numbers in the range except for port number 135 which is the TCP/IP... Sometimes it also prints the error " No buffer space available (maximum connections reached?): JVM_Bind"....
I am somewhat unfamiliar wd thoses error and I googled as well but couldn't extract musch from it...
What do those errors exactly mean and why I am able to create a socket a only 1 port???


Thans in adv

[Dheeraj Joshi]

It is always good practice to use ports 1025 or above.
All the ports 0 - 1024 are used by OS.

Just to make sure nobody is using 135th port. Use

netstat -a | grep 135

Regards
Dheeraj Joshi

[phpuser123]

Thanks for the prompt replyy...
I tried using a range of ports of 1030 to 1200
and the result nearly turned out to be the same....
Here I am pasting the error

Connection refused: connectjava.net .ConnectExcepti on: Connection refused: connect
at java.net.PlainS ocketImpl.socke tConnect(Native Method)
at java.net.PlainS ocketImpl.doCon nect(Unknown Source)
at java.net.PlainS ocketImpl.conne ctToAddress(Unk nown Source)
at java.net.PlainS ocketImpl.conne ct(Unknown Source)
at java.net.SocksS ocketImpl.conne ct(Unknown Source)
at java.net.Socket .connect(Unknow n Source)
at java.net.Socket .connect(Unknow n Source)
at java.net.Socket .<init>(Unknow n Source)
at java.net.Socket .<init>(Unknow n Source)
at sockets_1.socke t_class.test_so cket(socket_cla ss.java:41)
at sockets_1.socke t_class.main(so cket_class.java :13)

[Dheeraj Joshi]

Are you sure nobody is using ports between 1030-1200?

Regards
Dheeraj Joshi

[phpuser123]

Are you sure nobody is using ports between 1030-1200?

Regards
Dheeraj Joshi

Thanks,your post was quite useful to me ...
Atually,my pc had caught a virus and if I am nt wrong this was what was the problem....
the virus has equipped the sockets...
Alteast now I know what had beeen wrong ...